– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 10 am Sun 12 Jul Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 am Sun 12 Jul Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Sun 12 Jul Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryMostly dry. Warm (max 24°C on Tue afternoon, min 11°C on Sun morning). Wind will be generally light. | Days 4–6 Weather SummaryMostly dry. Warm (max 22°C on Fri afternoon, min 10°C on Wed night). Wind will be generally light. | |||||||||||||||||
Sunday 12 | Monday 13 | Tuesday 14 | Wednesday 15 | Thursday 16 | Friday 17 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | | | | | | | | | | | | | | | |
rain shwrs | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 0.6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | 14 | 19 | 16 | 19 | 23 | 19 | 21 | 24 | 19 | 19 | 21 | 17 | 17 | 20 | 18 | 18 | 22 | 19 |
min °C | 11 | 18 | 12 | 16 | 22 | 15 | 18 | 23 | 14 | 16 | 21 | 10 | 13 | 20 | 13 | 15 | 21 | 15 |
chill °C | 11 | 18 | 12 | 16 | 22 | 15 | 18 | 23 | 14 | 16 | 21 | 10 | 13 | 20 | 13 | 15 | 21 | 15 |
Freezing level m | 2750 | 3200 | 3450 | 3650 | 3750 | 3850 | 4000 | 4100 | 4000 | 3800 | 3750 | 3350 | 3300 | 3700 | 3650 | 3700 | 4000 | 4250 |
Cloud base (m) | 750 | |||||||||||||||||
 | 5:16 | — | — | 5:18 | — | — | 5:18 | — | — | 5:20 | — | — | 5:20 | — | — | 5:22 | — | — |
 | — | — | 9:07 | — | — | 9:07 | — | — | 9:07 | — | — | 9:06 | — | — | 9:05 | — | — | 9:04 |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Mostly dry. Warm (max 24°C on Tue afternoon, min 11°C on Sun morning). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Mostly dry. Warm (max 22°C on Fri afternoon, min 10°C on Wed night). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.
| Weather Station | Temp. | Weather | Wind | Gusts | Cloud / Visibility |
|---|---|---|---|---|---|
 | |||||
Bellingham Airport |  | ||||
Abbotsford Airport | | ||||
BUOY-46118 | |||||
BUOY-PBFW1 |
* NOTE: not all weather observatories update at the same frequency which is the reason why some locations may show data from stations that are further away than known closer ones.